Schaefer 485AS112A is built using corrosion resistant, heavy duty Aluminum for the best durability in its class.

These affordable exhaust fans flush mount inside walls of up to 6 inches and shed snow & water after installation. Using only the highest quality materials & energy conserving motors, these innovative exhaust fans are made for unequalled performance, efficiency & provide low operating costs and maintenance. The aluminum slant wall exhaust fans are the ideal solution for air exchange and cooling needs in greenhouse application that want an extremely durable fan that will last for many years.